Assessment and Rehabilitation of Trunk Sewers and Transmission Mains


Trunk sewers and transmission mains are critical pipes that need to be kept in failure-free state. This workshop will present condition assessment and rehabilitation techniques for large diameter gravity and pressure pipelines and appurtenances. The industry’s leading experts will discuss effective methods and processes to develop pro-active operation, maintenance, and renewal programs. Large diameter pipelines’ leak detection, condition assessment, and rehabilitation techniques will be presented.

Location: Mississauga Grand, 35 Brunel Rd, Mississauga, ON L4Z 3E8


7:30 - 8:00 | Registration & Continental Breakfast

8:00 – 8:05 | Introduction

8:05 – 8:35 | Transmission Mains: Materials, Specifications, Failure Mechanisms and Modes, Alberino Scarpato, WSP Canada Inc.

8:35 – 9:05 | Leak Detection Techniques for Water Transmission Mains, Gord Henrich, PITA/OE

 9:05 – 9:35 | Pipe Wall Assessment for Pressure Pipelines, Jake Regala, PICA

9:35 – 10:05 | Valve Chamber Inspection, Maintenance and Rehabilitation Programs – How to and Why for!, Sonya Semanuik, OCWA

10:05 – 10:20 | Refreshment and Networking Break

10:20 – 10:50 | Use of SCADA Data for Pressure Pipeline Condition Assessment, Maintenance and Management, Alain Lalonde, Echologics

10:50 – 11:20 | Owner’s Perspective on Challenges and Benefits of Rehabilitation Projects for Trunk Sewers and Transmission Mains, Prapan Dave, City of Toronto

 11:20 – 11:50 | Rehabilitation of Water Transmission Mains using CIPP and CFRP, Matthew Boeh, AEGION

11:50 – 12:35 | LUNCH

12:35 – 13:05 | Using CIPP to Reline Large Diameter Cast Iron Watermains, Henry Polvi and Jackie Siu, City of Toronto

13:05 – 13:35 | Trunk Sewers: Materials, Specifications, Failure Mechanisms and Modes, Sandra Rolfe-Dickinson, Cole Engineering

13:35 – 14:05 | Condition Assessment Techniques for Trunk Sewers, Gord Henrich, PITA/Ontario Excavac

14:05– 14:20 | Refreshment and Networking Break

14:20 – 14:50 | Sliplining for Trunk Sewers, Andy Sherwin, Channeline

14:50 – 15:20 | Structural Rehabilitation of the Humber STS using HOBAS CCFRPM Pipe, Jayne Harris/Marya Jetten, CH2M and Vince Paparozzi, HOBAS Pipe

*Subject to change


Registration Options (Please check your CATT membership status for member discount eligibility):

  1. Register online (below)
  2. Download the Transmission_Mains_Registration_Form_2017  (to pay by check, or invoice company)
  3. Call CATT at 519-888-4770

We are sorry but registration for this event is now closed.

Please contact us if you would like to know if spaces are still available.

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